package easy;

import java.util.HashSet;
import java.util.Set;

public class Solution_1832 {

    public boolean checkIfPangram(String sentence) {
        Set<Character> set = new HashSet<>();
        for (int i = 0; i < sentence.length(); i++) {
            char c = sentence.charAt(i);
            if (!set.contains(c)) {
                set.add(c);
            }
        }
        System.out.println(set);
        return set.size() == 36;
    }

    public static void main(String[] args) {
        Solution_1832 model = new Solution_1832();
        System.out.println(model.checkIfPangram("thequickbrownfoxjumpsoverthelazydog"));
    }
}
